Analysis of Circularly Polarized Hemispheroidal Dielectric Resonator Antenna Phased Arrays Using the Method of Auxiliary Sources

Niels Vesterdal Larsen, Olav Breinbjerg

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    Abstract

    The method of auxiliary sources is employed to model and analyze probe-fed hemispheroidal dielectric resonator antennas and arrays. Circularly polarized antenna elements of different designs are analyzed, and impedance bandwidths of up to 14.7% are achieved. Selected element designs are subsequently employed in a seven-element phased array. The array performance is analyzed with respect to scan loss and main beam directivity as a function of scan angle and frequency, and the influence of element separation is investigated.
    Original languageEnglish
    JournalI E E E Transactions on Antennas and Propagation
    Volume55
    Issue number8
    Pages (from-to)2163-2173
    ISSN0018-926X
    DOIs
    Publication statusPublished - 2007

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